Comparison
Why FerrLens?
A whole suite of free network, DNS and email tools under one clean, fast, SSR-indexed roof, where the incumbents are single-purpose and ad-heavy. Here is the feature-by-feature picture.
| FerrLens | MXToolbox | DNSChecker | IntoDNS | |
|---|---|---|---|---|
| Tool coverage | ||||
| DNS lookup | ✓ | ✓ | ✓ | ✓ |
| SPF / DKIM / DMARC checks | ✓ | ✓ | ~ | — |
| TLS / SSL analyzer | ✓ | ~ | — | — |
| Blacklist / RBL check | ✓ | ✓ | ~ | — |
| Dev utilities (beyond DNS/email) | ✓ | — | — | — |
| Experience | ||||
| Free, no login for basics | ✓ | ~ | ✓ | ✓ |
| Ad-free | ✓ | — | — | ✓ |
| Fast SSR pages | ✓ | ~ | ~ | ✓ |
| History + batch (with account) | ✓ | ~ | — | — |
| API access paid quota | ✓ | ✓ | ~ | — |
| Fit | ||||
| Part of an integrated dev suite | ✓ | — | — | — |